@mixin border-bottom-1px($color) {
  position: relative;
  &:after {
    display: block;
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    border-top: 1px solid $color;
    content: ' ';
  }
}
//上边框
@mixin border-top-1px($color) {
  position: relative;
  &:before {
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    border-top: 1px solid $color;
    content: ' ';
  }
}
@media (-webkit-min-device-pixel-ratio: 1.5), (min-device-pixel-ratio: 1.5) {
  .border-bottom-1px {
    &::after {
      -webkit-transform: scaleY(0.7);
      transform: scaleY(0.7);
    }
  }
}

@media (-webkit-min-device-pixel-ratio: 2), (min-device-pixel-ratio: 2) {
  .border-bottom-1px {
    &::after {
      -webkit-transform: scaleY(0.5);
      transform: scaleY(0.5);
    }
  }
}

@media (-webkit-min-device-pixel-ratio: 3), (min-device-pixel-ratio: 3) {
  .border-bottom-1px {
    &::after {
      -webkit-transform: scaleY(0.3);
      transform: scaleY(0.3);
    }
  }
}
//上边框
@media (-webkit-min-device-pixel-ratio: 1.5), (min-device-pixel-ratio: 1.5) {
  .border-top-1px {
    &::after {
      -webkit-transform: scaleY(0.7);
      transform: scaleY(0.7);
    }
  }
}

@media (-webkit-min-device-pixel-ratio: 2), (min-device-pixel-ratio: 2) {
  .border-top-1px {
    &::after {
      -webkit-transform: scaleY(0.5);
      transform: scaleY(0.5);
    }
  }
}

@media (-webkit-min-device-pixel-ratio: 3), (min-device-pixel-ratio: 3) {
  .border-top-1px {
    &::after {
      -webkit-transform: scaleY(0.3);
      transform: scaleY(0.3);
    }
  }
}
